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Marketable Equity Securities (Details Narrative) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2018
May 02, 2016
Marketable Securities [Abstract]      
Units Vendetta purchased     7,240,000
Aggregate consideration for units of Vendetta (common stock $186,000; Warrants $103,000)     $ 289
Common shares Vendetta sold 3,480,000    
Vendetta shares owned   11,000,000  
Proceeds from sale of Vendetta $ 666    
Value Vendetta warrants (exercise date) 950    
Cash paid to exercise Vendetta warrants $ 578